We started it in 2001, (held it again in) 2003 and 2005....
We started it in 2001, (held it again in) 2003 and 2005. Because the event gained so much popularity we had requests to start doing it every year.
We started it in 2001, (held it again in) 2003 and 2005. Because the event gained so much popularity we had requests to start doing it every year.